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Tremolada, Fabrizio; Siesser, William G (2005): Nannofossil bioevents and biozones of ODP Holes 197-1203A and 197-1204A on Detroit Seamount [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.778358, Supplement to: Tremolada, F; Siesser, WG (2005): Data report: Paleocene-Miocene nannofossil biostratigraphy, ODP Leg 197 Holes 1203A and 1204A (Detroit Seamount, northwestern Pacific). In: Duncan, RA; Tarduno, JA; Davies, TA; Scholl, DW (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 197, 1-12, https://doi.org/10.2973/odp.proc.sr.197.003.2005

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Abstract:
Calcareous nannofossils were studied in sedimentary successions recovered from two holes on the Detroit Seamount in the northwestern Pacific Ocean. Preservation of calcareous nannoflora assemblages varies from poor to good throughout the sediments recovered from both Holes 1203A and 1204A.
Biostratigraphic investigation allowed the identification of 19 nannofossil zones in Hole 1203A and 7 in Hole 1204A. The sedimentary cover in Hole 1203A ranges from lower Eocene (Zone NP12) to upper Miocene (Zone NN9). The sedimentary interval investigated directly overlying the basalt recovered at Hole 1204A is late Campanian in age (Zones CC22-CC23), and the top of the section is middle Eocene (Zone NP15) in age.
Major unconformities were observed in Hole 1204A between upper Campanian (Zones CC22-CC23) and lower Thanetian (Zone NP7) sediments and between upper Thanetian (Zone NP8) and upper Ypresian (Zone NP12) sediments.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 51.072295 * Median Longitude: 167.756305 * South-bound Latitude: 50.949960 * West-bound Longitude: 167.739950 * North-bound Latitude: 51.194630 * East-bound Longitude: 167.772660
Date/Time Start: 2001-07-11T00:00:00 * Date/Time End: 2001-07-25T00:00:00
Event(s):
197-1203A * Latitude: 50.949960 * Longitude: 167.739950 * Date/Time: 2001-07-11T00:00:00 * Elevation: -2593.5 m * Penetration: 914.6 m * Recovery: 333.91 m * Location: North Pacific Ocean * Campaign: Leg197 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 68 cores; 614.6 m cored; 300 m drilled; 54.3 % recovery
197-1204A * Latitude: 51.194630 * Longitude: 167.772660 * Date/Time: 2001-07-25T00:00:00 * Elevation: -2371.0 m * Penetration: 880.3 m * Recovery: 55.86 m * Location: North Pacific Ocean * Campaign: Leg197 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 14 cores; 118.4 m cored; 761.9 m drilled; 47.2 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets

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Datasets listed in this publication series

  1. Tremolada, F; Siesser, WG (2005): (Table T1) Nannofossil bioevents and biozones of ODP Hole 197-1203A sediments. https://doi.org/10.1594/PANGAEA.778356
  2. Tremolada, F; Siesser, WG (2005): (Table T2) Nannofossil bioevents and biozones of ODP Hole 197-1204A sediments. https://doi.org/10.1594/PANGAEA.778357